Encrypt PDF and Merge PDF for Android Gratis
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
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Create & edit PDFs
Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.

Fill out & sign PDF forms
Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.

Organize & convert PDFs
Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.

Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.

Export documents with ease
Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.

Store documents safely
Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
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PDFs edited per month
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Easy to use, creates clean, professional looking documents, allows you to upload any form or document that needs to be filled out and fill it in as if you typed it, without needing the typewriter! Whether you scan a form, upload a text or spreadsheet document, even image files, you can fill in any information needed and customize fonts, size, color, highlight sections, even verified signatures and PDFfiller will align your input horizontally and vertically. You can even create templates of your forms. Easy to use intuitive interface. A definite value for the money.
2015-04-12
I LOVE this program! I find it extremely beneficial when completing scholarships that are in PDF form. The forms are neat, legible and professional looking.
2016-04-07
It is impossible of find the document I am seeking and all I am getting is a WASTE OF MY TIME!!! The website is incredibly difficult to navigate!!!!! I don't think I am getting much value for the money I spent to print just one document!!! After this horrible experience SUPPORT STAFF was able to assist me in accessing the necessary document and getting it filled out to me the deadline. SUPPORT STAFF is very knowledgeable and were able to resolve the problem quickly!!! Count me a happy customer!!!
2018-09-02
It takes a minute to get use to but I think I'm getting it. Trying to use to send files to the government.
I was trying to figure out how to just save a pdf filled out.... there are so many pop up windows.
2019-02-06
Paul was fantastic
Paul was fantastic. I have been chatting with several other people since April 3 and no one could figure this problem out. I was emailed that this issue had been referred to technical support and they could not provide adequate assistance. As I am not computer friendly, Paul was very helpful. He was very patient with me. I am extremely grateful to him for resolving this issue.
2019-04-12
Tons of functionality for a great price. Excellent customer response time.
Feedback: when using the "home"/"end" keyboard buttons, it immediately takes you to the top/bottom of the form instead of beginning/end of the text box you are editing. Just an unintuitive and weird feature.
Also, it would be great if there was a way to save LinkToFill settings so that they can be applied across other documents.
Overall really happy with this product!
2023-03-09
A solid editor with a very minor flaw imo
Other than a better scroll bar for the area of the documents being edited, the interface is pretty easy to navigate if you have used any similar programs (such as adobe acrobat reader). I wish there was a less feature oriented version that was free to use/download, perhaps with a daily/weekly task limit, similar to things like smallpdf.
2021-06-08
If I had the option to put 100 stars, I would. This product is fantastic. There are small issues with reformatting, but I think the user can get over that.
2021-04-13
It was very easy to navigate the site and fill out...
It was very easy to navigate the site and fill out the form I needed. I like that they have several options available to print, email, fax and even send out a copy USPS.
2020-05-29
Encrypt PDF and Merge PDF for Android
Secure your documents and streamline your workflow with the Encrypt PDF and Merge PDF feature for Android. Whether you need to protect your sensitive files or combine multiple documents into one, this feature has you covered.
Key Features
Encrypt PDFs with passwords to protect your sensitive information
Merge multiple PDF files into a single document easily
User-friendly interface for quick navigation
Compatible with multiple Android devices
Fast processing speeds, saving you time
Potential Use Cases and Benefits
Protect confidential business documents before sharing
Create comprehensive reports by merging various files
Organize receipts and invoices into one easily accessible PDF
Facilitate document sharing while maintaining privacy
Support educational needs by combining class notes into one file
This feature addresses your need for document security and efficiency. By encrypting PDFs, you protect your privacy from unauthorized access. Merging PDFs allows you to minimize clutter, ensuring all relevant information is at your fingertips. Experience the peace of mind that comes with secure, organized documents.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How do you combine PDF files on Android?
Select a file in the PDF Viewer file browser by long pressing on the cover image of the PDF. This will start the multi-file selection mode.
Select additional files for merging by tapping them.
Once you're done selecting files, press the merge icon in the multi-file selection bar at the bottom.
How do I password protect a file on Android?
File Locker To lock a file, you will have to simply browse it and long tap on it. This will open a popup menu from which you will have to select the option Lock. You can even batch select files and lock them simultaneously. After you select the lock file option the app will ask for a password to encrypt your files.
How do I combine encrypted PDF files?
Run the tool, click on Add files / Add Folder option to insert PDFs & enter the password.
Click on the Merge option and hit the Next button.
Choose the desired Merge option and select the destination path.
How do I encrypt a PDF attachment?
Choose Tools > Protect > More Options > Encrypt with Password.
Choose File > Protect Using Password, and then choose Advanced Password Protection from More Options.
How to Encrypt PDF and Merge PDF for Android - video instructions
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